3-4a=7=2a

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Solution for 3-4a=7=2a equation: 



3-4a=7=2a

We move all terms to the left:

3-4a-(7)=0

We add all the numbers together, and all the variables

-4a-4=0

We move all terms containing a to the left, all other terms to the right

-4a=4

a=4/-4

a=-1

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